Oval Definition:oval:com.redhat.rhsa:def:20230854
Revision Date:2023-02-21Version:639
Title:RHSA-2023:0854: kernel-rt security and bug fix update (Important)
Description:The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)

  • kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)

  • kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

  • RHEL8-RT: Backport use of a dedicate thread for timer wakeups (BZ#2127204)

  • SNO Crashed twice - kernel BUG at lib/list_debug.c:28 (BZ#2132062)

  • Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel [RT-8] (BZ#2139851)

  • scheduling while atomic in fpu_clone() -> fpu_inherit_perms() (BZ#2154469)

  • The latest RHEL 8.7.z2 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2159806)
  • Family:unixClass:patch
    Status:Reference(s):CVE-2022-2873
    CVE-2022-41222
    CVE-2022-43945
    RHSA-2023:0854
    Platform(s):Red Hat Enterprise Linux 8
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 8 is installed
  • OR Red Hat CoreOS 4 is installed
  • AND
  • kernel-rt earlier than 0:4.18.0-425.13.1.rt7.223.el8_7 is currently running
  • OR kernel-rt earlier than 0:4.18.0-425.13.1.rt7.223.el8_7 is set to boot up on next boot
  • AND
  • kernel-rt is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt is signed with Red Hat redhatrelease2 key
  • kernel-rt-core is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-core is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-debug is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug-core is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-debug-core is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug-devel is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-debug-devel is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug-kvm is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-debug-kvm is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug-modules is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-debug-modules is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug-modules-extra is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-debug-modules-extra is signed with Red Hat redhatrelease2 key
  • kernel-rt-devel is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-devel is signed with Red Hat redhatrelease2 key
  • kernel-rt-kvm is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-kvm is signed with Red Hat redhatrelease2 key
  • kernel-rt-modules is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-modules is signed with Red Hat redhatrelease2 key
  • kernel-rt-modules-extra is earlier than 0:4.18.0-425.13.1.rt7.223.el8_7
  • AND kernel-rt-modules-extra is signed with Red Hat redhatrelease2 key
  • BACK